GM Service Manual Online
For 1990-2009 cars only

Ignition Switch Electrical System Does Not Operate for Cadillac Escalade 1999

Cause

Action

The ignition switch is damaged.

Replace the ignition switch assembly. Refer to Ignition and Key Alarm Switch Assembly - Assemble - Off Vehicle .

The connection at the ignition switch or the column connectors is loose.

  1. Reconnect the connectors.
  2. Check the operation of the system.